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37213334561340 = 223357193161274007
BaseRepresentation
bin10000111011000011001111…
…00101100110001000111100
311212202120010021021022201000
420131201213211212020330
514334200402121430330
6211051323032450300
710560401056454520
oct1035414745461074
9155676107238630
1037213334561340
11109480a5234923
12421023a549990
13179c282867712
149291c663bd80
1544800e438560
hex21d86796623c

37213334561340 has 768 divisors, whose sum is σ = 146128247193600. Its totient is φ = 7670414361600.

The previous prime is 37213334561329. The next prime is 37213334561363. The reversal of 37213334561340 is 4316543331273.

It is a happy number.

37213334561340 is a `hidden beast` number, since 3 + 7 + 2 + 13 + 3 + 34 + 561 + 3 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 135674617 + ... + 135948623.

It is an arithmetic number, because the mean of its divisors is an integer number (190271155200).

Almost surely, 237213334561340 is an apocalyptic number.

37213334561340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37213334561340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73064123596800).

37213334561340 is an abundant number, since it is smaller than the sum of its proper divisors (108914912632260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37213334561340 is a wasteful number, since it uses less digits than its factorization.

37213334561340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274143 (or 274135 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 45.

The spelling of 37213334561340 in words is "thirty-seven trillion, two hundred thirteen billion, three hundred thirty-four million, five hundred sixty-one thousand, three hundred forty".